TITLE:   GCN GRB OBSERVATION REPORT
NUMBER:  5361
SUBJECT: Swift/XRT preliminary analysis
DATE:    06/07/29 07:18:14 GMT
FROM:    Claudio Pagani at PSU/Swift-XRT  <pagani@astro.psu.edu>

C. Pagani (PSU), J.L. Racusin and D.N. Burrows (PSU) report on behalf of the
Swift XRT team:

XRT started observing the field of GRB060728 at 22:26:35 UT, 124 seconds after
the BAT trigger. In the first 4.5ks of PC mode data no new point source was
detected within the BAT error circle (GCN 5360) up to a limiting flux of about
2.e-13 erg cm^-2 s^-1.  Swift observations are continuing, further analysis
will be issued as the data becomes available.

This circular is an official product of the Swift-XRT team.